BG 17.26

The austerity that is practiced with the highest faith by those who do not desire the fruits, who are self-controlled, and who have subdued their mind and senses, is declared to be in the mode of goodness.

17.26. In the sense of 'right one' (or 'manifesting as being') and in the sense of 'proper one' (or 'manifesting perfectly'), this word SAT is employed. Likewise the word SAT is used with regard to the praiseworthy act; O son of Prtha !

17.26 Sat' means Reality or the highest Good, and also, O Arjuna, it is used to mean an action of exceptional merit.

17.26 See Comment under 17.27

17.26 The word Sat is applied in Vedic and common usage, in respect of all contexts to express existence (Sadbhava) and auspiciousness (Sadhubhava). Similarly, in relation to any praiseworthy worldly act, viz., auspicious undertaking by someone, the word Sat is applied to express, 'This is a good act.'

17.26 Etat, this; sat iti, word sat, a name of Brahman; prayujyate, is used, is uttered; sad-bhave, with regard to (something) coming into being-with regard to coming into existence of something that was not there, as for instance the birth of a son who was not there before; so also sadhu-bhave, with regard to (someone) becoming good-sadhu-bhava means coming to possess good conduct by an evil person who had bad behaviour; with regard to that. Tatha, so also, O Son of Prtha; the sat-sabdah, word sat; yujyate (-which is the same as prayujyate-), is used; prasaste karmani, with regard to an auspicious rite, such as mirage etc.

17.26 This term Sat is used in the sense of existence and goodness. And so also, O Arjuna, the word Sat is applied to an auspicious action.

17.26 This word sat is used with regard to (something) coming into being and with regard to (someone) becoming good. So also, O son of Prtha, the word sat is used with regard to an auspicious rite.